we felt the united states, our fellow citizens, needed to know why latinos had come to the united states. the real reasons, the root causes of immigration. in just about all the cases when you look at history, you see clearly that are different ways of migration are connected to actions the united states took in our countries. in different times for different reasons, but it is very consistent throughout history, this connection between our foreign policy and immigration. >> juan, i mean, the first day of the democratic convention in charlotte, a bus pulled up in front of the gates, the undocubus, and scores of people got out chanting "no papers, no fear." 10 were arrested as police poured in. immigration is one of the key issues of this election, yet you do not have presidential candidates who have a vastly differenprbecoming an issue, non the big cities like new york, l.a., miami, but in the heartland of america, especially in the south. in north carolina, for instance, there's been a huge increase of the latino population. but most people do not understand how they got there. it is a